lean2/tests/lean/tactic12.lean

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Theorem T (a b : Bool) : ((fun x, x /\ b) a) => ((fun x, x) a).
apply beta_tactic.
apply imp_tactic.
apply conj_hyp_tactic.
apply assumption_tactic.
done.
Variables p q : Bool.
Theorem T2 : p /\ q => q.
apply imp_tactic.
apply conj_hyp_tactic.
apply assumption_tactic.
done.